The NFL players’ union might challenge former Commissioner Paul Tagliabue replacing successor Roger Goodell as the appeals officer in the Saints’ bounties case.

The players association has concerns about “ethical and legal issues,” a person familiar with the matter tells The Associated Press.

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The NFL has no comment.

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Tagliabue works for the law firm that is defending the league in U.S. District Court in Louisiana in the bounties case. The NFLPA believes that’s a conflict of interest. The union also might contend that such “pay-for programs” existed when Tagliabue was commissioner, with his knowledge.

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